IBM 5100 Maintenance Information Manual page 354

Mnemonics
, f -
This chart gives the microinstruction mnemonics in
alphabetical order, the meaning of the mnemonic, the
"'-
corresponding op code, the modifier (if any). and the
type of microinstruction.
Mnemonic Microinstruction Name Op Code Modifier Microinstruction Type
/
!
ADD Add 0 8 Arithmetic reg
"--/
ADDI
Add immediate A Arithmetic reg
ADDS1 Add special 1 0
A Arithmetic reg
ADDS2 Add special 2 0 B Arithmetic reg
AND And 0
5
Logical reg
~
CLRI Clear immediate 9 Logical reg
'-.
. j
CTL Control 1
I/O
EMIT
Emit byte 8 Logical reg
GETA
Get
a
F I/O
GETB
Get byte
E
SM!
I/O
GETR
Get to register
a
E
I/O
GETRB Get byte to register E
SM!
I/O
HTL
High to low
a
C Register
JALL
Jump all ones C 4 Jump
JALLM Jump all masked
C
5 Jump
JEQ
Jump equal C 2 Jump
JHAM
Jump high all masked C
7 Jump
(~
JHE
Jump high or equal C
9
Jump
\
.. ~
JHI
Jump high
C
8
Jump
JHL Jump high or low (not equal)
C
A Jump
JHSNM Jump high some bit not masked
C
F Jump
JLE Jump low or equal
C
a
Jump
JLO
Jump low
C
1
Jump
JNO Jump no ones
C
3 Jump
JNOM Jump no ones masked
C
6 Jump
JSB Jump some bits
C
B
Jump
JSM Jump some masked
C
E Jump
JSN
Jump some not ones
C
C Jump
JSNM
Jump some not masked
C
D Jump
/
LDBI Load byte indirect 2 6
Ml
Fetch and store
LDHD Load halfword direct 2 2 Fetch and store
LDHI
Load halfword indirect 2 D Fetch and store
LTH
Low to high
a
D Register
MOVE Move register
a
4 Register
MVM1
Move minus 1
a
1 Register
~-
MVM2 Move minus 2
a a
Register
! See the description of
Microinstructions
in this section.
'"
2
Direct means that the read/write storage address is in the microinstruction itself and indirect
(
'/
means that the read/write storage address is in a register.
C-2.